In this installment of Ras Class, we break down what a non-return valve is, why facilities rely on them, and what can happen when they fail. Dec. 5, 2025 Non-return valves play a critical role in ...

When parts of the heart, such as the valves, do not work properly, it is possible to repair or replace them. The aortic and mitral valves are the ones that surgeons most commonly replace. Most valve ...